diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdePkg/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h')
| -rw-r--r-- | roms/edk2/MdePkg/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h b/roms/edk2/MdePkg/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h new file mode 100644 index 000000000..8a4933db7 --- /dev/null +++ b/roms/edk2/MdePkg/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h @@ -0,0 +1,49 @@ +/** @file
+ ACPI memory mapped configuration space access table definition, defined at
+ in the PCI Firmware Specification, version 3.0.
+ Specification is available at http://www.pcisig.com.
+
+ Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
+#define _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
+
+#include <IndustryStandard/Acpi.h>
+
+//
+// Ensure proper structure formats
+//
+#pragma pack(1)
+
+///
+/// Memory Mapped Configuration Space Access Table (MCFG)
+/// This table is a basic description table header followed by
+/// a number of base address allocation structures.
+///
+typedef struct {
+ UINT64 BaseAddress;
+ UINT16 PciSegmentGroupNumber;
+ UINT8 StartBusNumber;
+ UINT8 EndBusNumber;
+ UINT32 Reserved;
+} EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE;
+
+///
+/// MCFG Table header definition. The rest of the table
+/// must be defined in a platform specific manner.
+///
+typedef struct {
+ EFI_ACPI_DESCRIPTION_HEADER Header;
+ UINT64 Reserved;
+} EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER;
+
+///
+/// MCFG Revision (defined in spec)
+///
+#define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION 0x01
+
+#pragma pack()
+
+#endif
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